How can I score 700+ in my GMAT?

I have started preparing for GMAT and have given a few mock tests for it. The best score that i’ve attained is 670. What should I do ? I am aiming for 700+ but having a hard time to get through.

Try managing your time better because if you are getting around 670 you must be getting bogged up on hard questions. Spend more time analyzing your mocks, see which questions to attempt and which ones to skip. See where are you lagging and study your errors. Also, check out GMAT Ninja or Veritas Prep on YouTube for helpful strategy videos that can really help you out.